Han Jisung is a child of Apollo who has been at Camp Half-Blood since he was six. Lee Minho is a son of Mars who hates Greeks and wants to destroy all of them. Fate throws them together and apparently it's making them stay that way. 

Johnny is your average American teenager, a little lonely and quickly losing friends and money. He's struggling through his last year of college when a world-renowned circus visits his town, featuring a trapeze artist from Thailand who is beautiful, graceful and completely out of his league.